Average annual temperature is 24.0 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 11.8 °C
Number of sunny days: 130 days
Number of rainy days: 235 days
Look at detailed online map of San Antônio
* Weather data for San Antônio Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.4 | 36.6 | 36.1 | 33.0 | 30.9 | 30.2 | 33.7 | 36.7 | 39.2 | 38.5 | 42.0 | 38.2 |
| Average daytime temperature (°C) | 30.7 | 33.0 | 32.3 | 28.2 | 26.7 | 26.8 | 26.3 | 28.0 | 31.8 | 30.4 | 32.7 | 32.3 |
| Average temperature (°C) | 25.4 | 26.7 | 26.2 | 23.3 | 21.3 | 20.6 | 20.4 | 22.0 | 24.9 | 24.8 | 26.5 | 26.6 |
| Average night temperature (°C) | 21.8 | 23.0 | 22.2 | 19.6 | 17.2 | 16.2 | 16.2 | 17.9 | 19.7 | 21.3 | 22.0 | 22.2 |
| Absolute minimum temperature (°C) | 18.1 | 20.4 | 19.8 | 15.5 | 12.6 | 11.8 | 12.2 | 14.2 | 15.5 | 18.1 | 15.7 | 18.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.0 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 8.7 | 9.7 | 10.1 | 8.4 | 8.9 | 9.4 | 8.8 | 7.8 | 9.5 | 7.1 | 9.5 | 10.8 |
| Precipitation (mm) | 359 | 235 | 129 | 140 | 84 | 14 | 44 | 86 | 47 | 109 | 174 | 110 |
| Sunny days | 2 | 1 | 7 | 10 | 14 | 18 | 17 | 16 | 19 | 10 | 9 | 7 |
| Rainy days | 29 | 27 | 24 | 20 | 17 | 12 | 14 | 15 | 11 | 21 | 21 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antônio is at